Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460631 | Drill bits with reduced exposure of cutters | Mark W. Dykstra, Michael L. Doster, Theodore E. Zaleski, Jr., Jack T. Oldham, Terry D. Watts +3 more | 2002-10-08 |
| 6408958 | Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equipped | Matthew R. Isbell, Rudolf Carl Pessier, Michael L. Doster, Mark W. Dykstra | 2002-06-25 |